-- @testpoint: opengauss关键字year(非保留)，作为函数名，部分测试点合理报错

--关键字不带引号-成功
drop function if exists year;
create function year(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists year;
--关键字带双引号-成功
drop function if exists "year";
create function "year"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "year";
--关键字带单引号-合理报错
drop function if exists 'year';
create function 'year'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `year`;
create function `year`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
